united states needs to lead in this issue. as ralph nader told us, we are the most profitable, the most would follow the death was felt in -- if america will not leave, it is difficult for others to take on leadership -- lead to, it is difficult for others to take on leadership. thank you. >> just thinking was that-just speaking was robert engelman -- just speaking was robert engelman from worldwatch institute. >> i am from friends of the earth. we have member countries in 76 countries around the world. i would like to thank corporate knights for creating this space to talk about the greenest presidents. president roosevelt, nixon, carter. we have heard from the previous the to speak about her accomplishments. what i would like to talk about is their transformations and how transformational they were part of looking back into the past is to figure out where we are going in the future. roosevelt and carter leg kind of defamation of discussions in if a select land confirmation and the epic of, but-preservation. carter -- confirm